Update main.py

main.py

@@ -14,8 +14,8 @@ async def title2doi(title:str):
 
     result = cr.works(query = title)
     for i, item in enumerate(result['message']['items']):
-        if 'group-title' in item and item['group-title'] != 'Preprints':
-            doi = result['message']['items'][i-1]['DOI']
+        if item['title'][0] == title:
+            doi = result['message']['items'][i]['DOI']
             break
     
     url = BASE_URL + doi